* [including the GNU Public Licence.]
*/
+
+#include <assert.h>
#include <stdio.h>
#include <openssl/objects.h>
#include <openssl/lhash.h>
+#include <openssl/x509v3.h>
#include "ssl_locl.h"
-char *SSL_version_str=OPENSSL_VERSION_TEXT;
+const char *SSL_version_str=OPENSSL_VERSION_TEXT;
-static STACK *ssl_meth=NULL;
-static STACK *ssl_ctx_meth=NULL;
+static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_meth=NULL;
+static STACK_OF(CRYPTO_EX_DATA_FUNCS) *ssl_ctx_meth=NULL;
static int ssl_meth_num=0;
static int ssl_ctx_meth_num=0;
OPENSSL_GLOBAL SSL3_ENC_METHOD ssl3_undef_enc_method={
+ /* evil casts, but these functions are only called if there's a library bug */
+ (int (*)(SSL *,int))ssl_undefined_function,
+ (int (*)(SSL *, unsigned char *, int))ssl_undefined_function,
ssl_undefined_function,
- ssl_undefined_function,
- ssl_undefined_function,
- ssl_undefined_function,
- ssl_undefined_function,
- ssl_undefined_function,
+ (int (*)(SSL *, unsigned char *, unsigned char *, int))ssl_undefined_function,
+ (int (*)(SSL*, int))ssl_undefined_function,
+ (int (*)(SSL *, EVP_MD_CTX *, EVP_MD_CTX *, const char*, int, unsigned char *))ssl_undefined_function
};
int SSL_clear(SSL *s)
s->hit=0;
s->shutdown=0;
-#if 0
+#if 0 /* Disabled since version 1.10 of this file (early return not
+ * needed because SSL_clear is not called when doing renegotiation) */
/* This is set if we are doing dynamic renegotiation so keep
* the old cipher. It is sort of a SSL_clear_lite :-) */
if (s->new_session) return(1);
+#else
+ if (s->new_session)
+ {
+ SSLerr(SSL_F_SSL_CLEAR,SSL_R_INTERNAL_ERROR);
+ return 0;
+ }
#endif
state=s->state; /* Keep to check if we throw away the session-id */
s->client_version=s->version;
s->rwstate=SSL_NOTHING;
s->rstate=SSL_ST_READ_HEADER;
+#if 0
s->read_ahead=s->ctx->read_ahead;
+#endif
if (s->init_buf != NULL)
{
return(NULL);
}
- s=(SSL *)Malloc(sizeof(SSL));
+ s=(SSL *)OPENSSL_malloc(sizeof(SSL));
if (s == NULL) goto err;
memset(s,0,sizeof(SSL));
+#ifndef OPENSSL_NO_KRB5
+ s->kssl_ctx = kssl_ctx_new();
+#endif /* OPENSSL_NO_KRB5 */
+
if (ctx->cert != NULL)
{
/* Earlier library versions used to copy the pointer to
s->verify_mode=ctx->verify_mode;
s->verify_depth=ctx->verify_depth;
s->verify_callback=ctx->default_verify_callback;
+ s->generate_session_id=ctx->generate_session_id;
+ s->purpose = ctx->purpose;
+ s->trust = ctx->trust;
CRYPTO_add(&ctx->references,1,CRYPTO_LOCK_SSL_CTX);
s->ctx=ctx;
s->server=(ctx->method->ssl_accept == ssl_undefined_function)?0:1;
s->options=ctx->options;
s->mode=ctx->mode;
+ s->read_ahead=ctx->read_ahead; /* used to happen in SSL_clear */
SSL_clear(s);
- CRYPTO_new_ex_data(ssl_meth,(char *)s,&s->ex_data);
+ CRYPTO_new_ex_data(ssl_meth,s,&s->ex_data);
return(s);
err:
ssl_cert_free(s->cert);
if (s->ctx != NULL)
SSL_CTX_free(s->ctx); /* decrement reference count */
- Free(s);
+ OPENSSL_free(s);
}
SSLerr(SSL_F_SSL_NEW,ERR_R_MALLOC_FAILURE);
return(NULL);
return 1;
}
+int SSL_CTX_set_generate_session_id(SSL_CTX *ctx, GEN_SESSION_CB cb)
+ {
+ CRYPTO_w_lock(CRYPTO_LOCK_SSL_CTX);
+ ctx->generate_session_id = cb;
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL_CTX);
+ return 1;
+ }
+
+int SSL_set_generate_session_id(SSL *ssl, GEN_SESSION_CB cb)
+ {
+ CRYPTO_w_lock(CRYPTO_LOCK_SSL);
+ ssl->generate_session_id = cb;
+ CRYPTO_w_unlock(CRYPTO_LOCK_SSL);
+ return 1;
+ }
+
+int SSL_CTX_has_matching_session_id(const SSL_CTX *ctx, const unsigned char *id,
+ unsigned int id_len)
+ {
+ /* A quick examination of SSL_SESSION_hash and SSL_SESSION_cmp shows how
+ * we can "construct" a session to give us the desired check - ie. to
+ * find if there's a session in the hash table that would conflict with
+ * any new session built out of this id/id_len and the ssl_version in
+ * use by this SSL_CTX. */
+ SSL_SESSION r, *p;
+ r.ssl_version = ctx->method->version;
+ r.session_id_length = id_len;
+ memcpy(r.session_id, id, id_len);
+ /* NB: SSLv2 always uses a fixed 16-byte session ID, so even if a
+ * callback is calling us to check the uniqueness of a shorter ID, it
+ * must be compared as a padded-out ID because that is what it will be
+ * converted to when the callback has finished choosing it. */
+ if((r.ssl_version == SSL2_VERSION) &&
+ (id_len < SSL2_SSL_SESSION_ID_LENGTH))
+ {
+ memset(r.session_id + id_len, 0,
+ SSL2_SSL_SESSION_ID_LENGTH - id_len);
+ r.session_id_length = SSL2_SSL_SESSION_ID_LENGTH;
+ }
+
+ CRYPTO_r_lock(CRYPTO_LOCK_SSL_CTX);
+ p = (SSL_SESSION *)lh_retrieve(ctx->sessions, &r);
+ CRYPTO_r_unlock(CRYPTO_LOCK_SSL_CTX);
+ return (p != NULL);
+ }
+
+int SSL_CTX_set_purpose(SSL_CTX *s, int purpose)
+{
+ if(X509_PURPOSE_get_by_id(purpose) == -1) {
+ SSLerr(SSL_F_SSL_CTX_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
+ return 0;
+ }
+ s->purpose = purpose;
+ return 1;
+}
+
+int SSL_set_purpose(SSL *s, int purpose)
+{
+ if(X509_PURPOSE_get_by_id(purpose) == -1) {
+ SSLerr(SSL_F_SSL_SET_PURPOSE, SSL_R_INVALID_PURPOSE);
+ return 0;
+ }
+ s->purpose = purpose;
+ return 1;
+}
+
+int SSL_CTX_set_trust(SSL_CTX *s, int trust)
+{
+ if(X509_TRUST_get_by_id(trust) == -1) {
+ SSLerr(SSL_F_SSL_CTX_SET_TRUST, SSL_R_INVALID_TRUST);
+ return 0;
+ }
+ s->trust = trust;
+ return 1;
+}
+
+int SSL_set_trust(SSL *s, int trust)
+{
+ if(X509_TRUST_get_by_id(trust) == -1) {
+ SSLerr(SSL_F_SSL_SET_TRUST, SSL_R_INVALID_TRUST);
+ return 0;
+ }
+ s->trust = trust;
+ return 1;
+}
+
void SSL_free(SSL *s)
{
int i;
if (s->method != NULL) s->method->ssl_free(s);
- Free((char *)s);
+ OPENSSL_free(s);
}
void SSL_set_bio(SSL *s,BIO *rbio,BIO *wbio)
return(ret);
}
-#ifndef NO_SOCK
+#ifndef OPENSSL_NO_SOCK
int SSL_set_fd(SSL *s,int fd)
{
int ret=0;
}
#endif
+
+/* return length of latest Finished message we sent, copy to 'buf' */
+size_t SSL_get_finished(SSL *s, void *buf, size_t count)
+ {
+ size_t ret = 0;
+
+ if (s->s3 != NULL)
+ {
+ ret = s->s3->tmp.finish_md_len;
+ if (count > ret)
+ count = ret;
+ memcpy(buf, s->s3->tmp.finish_md, count);
+ }
+ return ret;
+ }
+
+/* return length of latest Finished message we expected, copy to 'buf' */
+size_t SSL_get_peer_finished(SSL *s, void *buf, size_t count)
+ {
+ size_t ret = 0;
+
+ if (s->s3 != NULL)
+ {
+ ret = s->s3->tmp.peer_finish_md_len;
+ if (count > ret)
+ count = ret;
+ memcpy(buf, s->s3->tmp.peer_finish_md, count);
+ }
+ return ret;
+ }
+
+
int SSL_get_verify_mode(SSL *s)
{
return(s->verify_mode);
int SSL_pending(SSL *s)
{
+ /* SSL_pending cannot work properly if read-ahead is enabled
+ * (SSL_[CTX_]ctrl(..., SSL_CTRL_SET_READ_AHEAD, 1, NULL)),
+ * and it is impossible to fix since SSL_pending cannot report
+ * errors that may be observed while scanning the new data.
+ * (Note that SSL_pending() is often used as a boolean value,
+ * so we'd better not return -1.)
+ */
return(s->method->ssl_pending(s));
}
else
r=s->session->sess_cert->cert_chain;
+ /* If we are a client, cert_chain includes the peer's own
+ * certificate; if we are a server, it does not. */
+
return(r);
}
return(0);
}
if (ssl->cert == NULL)
- return(SSL_CTX_check_private_key(ssl->ctx));
+ {
+ SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
+ return 0;
+ }
if (ssl->cert->key->x509 == NULL)
{
SSLerr(SSL_F_SSL_CHECK_PRIVATE_KEY,SSL_R_NO_CERTIFICATE_ASSIGNED);
}
}
+long SSL_callback_ctrl(SSL *s, int cmd, void (*fp)())
+ {
+ switch(cmd)
+ {
+ default:
+ return(s->method->ssl_callback_ctrl(s,cmd,fp));
+ }
+ }
+
+struct lhash_st *SSL_CTX_sessions(SSL_CTX *ctx)
+ {
+ return ctx->sessions;
+ }
+
long SSL_CTX_ctrl(SSL_CTX *ctx,int cmd,long larg,char *parg)
{
long l;
}
}
-int ssl_cipher_id_cmp(SSL_CIPHER *a,SSL_CIPHER *b)
+long SSL_CTX_callback_ctrl(SSL_CTX *ctx, int cmd, void (*fp)())
+ {
+ switch(cmd)
+ {
+ default:
+ return(ctx->method->ssl_ctx_callback_ctrl(ctx,cmd,fp));
+ }
+ }
+
+int ssl_cipher_id_cmp(const SSL_CIPHER *a, const SSL_CIPHER *b)
{
long l;
return((l > 0)?1:-1);
}
-int ssl_cipher_ptr_id_cmp(SSL_CIPHER **ap,SSL_CIPHER **bp)
+int ssl_cipher_ptr_id_cmp(const SSL_CIPHER * const *ap,
+ const SSL_CIPHER * const *bp)
{
long l;
return(c->name);
}
-/** specify the ciphers to be used by defaut by the SSL_CTX */
-int SSL_CTX_set_cipher_list(SSL_CTX *ctx,char *str)
+/** specify the ciphers to be used by default by the SSL_CTX */
+int SSL_CTX_set_cipher_list(SSL_CTX *ctx, const char *str)
{
STACK_OF(SSL_CIPHER) *sk;
}
/** specify the ciphers to be used by the SSL */
-int SSL_set_cipher_list(SSL *s,char *str)
+int SSL_set_cipher_list(SSL *s,const char *str)
{
STACK_OF(SSL_CIPHER) *sk;
return(NULL);
}
if ((skp == NULL) || (*skp == NULL))
- sk=sk_SSL_CIPHER_new(NULL); /* change perhaps later */
+ sk=sk_SSL_CIPHER_new_null(); /* change perhaps later */
else
{
sk= *skp;
return(l);
}
+/* NB: If this function (or indeed the hash function which uses a sort of
+ * coarser function than this one) is changed, ensure
+ * SSL_CTX_has_matching_session_id() is checked accordingly. It relies on being
+ * able to construct an SSL_SESSION that will collide with any existing session
+ * with a matching session ID. */
int SSL_SESSION_cmp(SSL_SESSION *a,SSL_SESSION *b)
{
if (a->ssl_version != b->ssl_version)
return(memcmp(a->session_id,b->session_id,a->session_id_length));
}
+/* These wrapper functions should remain rather than redeclaring
+ * SSL_SESSION_hash and SSL_SESSION_cmp for void* types and casting each
+ * variable. The reason is that the functions aren't static, they're exposed via
+ * ssl.h. */
+static IMPLEMENT_LHASH_HASH_FN(SSL_SESSION_hash, SSL_SESSION *)
+static IMPLEMENT_LHASH_COMP_FN(SSL_SESSION_cmp, SSL_SESSION *)
+
SSL_CTX *SSL_CTX_new(SSL_METHOD *meth)
{
SSL_CTX *ret=NULL;
SSLerr(SSL_F_SSL_CTX_NEW,SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
goto err;
}
- ret=(SSL_CTX *)Malloc(sizeof(SSL_CTX));
+ ret=(SSL_CTX *)OPENSSL_malloc(sizeof(SSL_CTX));
if (ret == NULL)
goto err;
ret->new_session_cb=NULL;
ret->remove_session_cb=NULL;
ret->get_session_cb=NULL;
+ ret->generate_session_id=NULL;
memset((char *)&ret->stats,0,sizeof(ret->stats));
goto err;
ret->default_passwd_callback=NULL;
+ ret->default_passwd_callback_userdata=NULL;
ret->client_cert_cb=NULL;
- ret->sessions=lh_new(SSL_SESSION_hash,SSL_SESSION_cmp);
+ ret->sessions=lh_new(LHASH_HASH_FN(SSL_SESSION_hash),
+ LHASH_COMP_FN(SSL_SESSION_cmp));
if (ret->sessions == NULL) goto err;
ret->cert_store=X509_STORE_new();
if (ret->cert_store == NULL) goto err;
return(NULL);
}
+#if 0
static void SSL_COMP_free(SSL_COMP *comp)
- { Free(comp); }
+ { OPENSSL_free(comp); }
+#endif
void SSL_CTX_free(SSL_CTX *a)
{
sk_X509_NAME_pop_free(a->client_CA,X509_NAME_free);
if (a->extra_certs != NULL)
sk_X509_pop_free(a->extra_certs,X509_free);
+#if 0 /* This should never be done, since it removes a global database */
if (a->comp_methods != NULL)
sk_SSL_COMP_pop_free(a->comp_methods,SSL_COMP_free);
- Free((char *)a);
+#else
+ a->comp_methods = NULL;
+#endif
+ OPENSSL_free(a);
}
void SSL_CTX_set_default_passwd_cb(SSL_CTX *ctx, pem_password_cb *cb)
ctx->default_passwd_callback=cb;
}
+void SSL_CTX_set_default_passwd_cb_userdata(SSL_CTX *ctx,void *u)
+ {
+ ctx->default_passwd_callback_userdata=u;
+ }
+
void SSL_CTX_set_cert_verify_callback(SSL_CTX *ctx,int (*cb)(),char *arg)
{
+ /* now
+ * int (*cb)(X509_STORE_CTX *),
+ * but should be
+ * int (*cb)(X509_STORE_CTX *, void *arg)
+ */
ctx->app_verify_callback=cb;
- ctx->app_verify_arg=arg;
+ ctx->app_verify_arg=arg; /* never used */
}
void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,int (*cb)(int, X509_STORE_CTX *))
kl=SSL_C_EXPORT_PKEYLENGTH(cipher);
-#ifndef NO_RSA
+#ifndef OPENSSL_NO_RSA
rsa_tmp=(c->rsa_tmp != NULL || c->rsa_tmp_cb != NULL);
rsa_tmp_export=(c->rsa_tmp_cb != NULL ||
(rsa_tmp && RSA_size(c->rsa_tmp)*8 <= kl));
#else
rsa_tmp=rsa_tmp_export=0;
#endif
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
dh_tmp=(c->dh_tmp != NULL || c->dh_tmp_cb != NULL);
dh_tmp_export=(c->dh_tmp_cb != NULL ||
(dh_tmp && DH_size(c->dh_tmp)*8 <= kl));
emask|=SSL_aDSS;
}
-#ifdef SSL_ALLOW_ADH
mask|=SSL_aNULL;
emask|=SSL_aNULL;
+
+#ifndef OPENSSL_NO_KRB5
+ mask|=SSL_kKRB5|SSL_aKRB5;
+ emask|=SSL_kKRB5|SSL_aKRB5;
#endif
c->mask=mask;
c=s->cert;
ssl_set_cert_masks(c, s->s3->tmp.new_cipher);
alg=s->s3->tmp.new_cipher->algorithms;
- is_export=SSL_IS_EXPORT(alg);
+ is_export=SSL_C_IS_EXPORT(s->s3->tmp.new_cipher);
mask=is_export?c->export_mask:c->mask;
kalg=alg&(SSL_MKEY_MASK|SSL_AUTH_MASK);
else
i=SSL_PKEY_RSA_ENC;
}
+ else if (kalg & SSL_aKRB5)
+ {
+ /* VRS something else here? */
+ return(NULL);
+ }
else /* if (kalg & SSL_aNULL) */
{
SSLerr(SSL_F_SSL_GET_SERVER_SEND_CERT,SSL_R_INTERNAL_ERROR);
reason=BIO_get_retry_reason(bio);
if (reason == BIO_RR_CONNECT)
return(SSL_ERROR_WANT_CONNECT);
+ else if (reason == BIO_RR_ACCEPT)
+ return(SSL_ERROR_WANT_ACCEPT);
else
return(SSL_ERROR_SYSCALL); /* unknown */
}
reason=BIO_get_retry_reason(bio);
if (reason == BIO_RR_CONNECT)
return(SSL_ERROR_WANT_CONNECT);
+ else if (reason == BIO_RR_ACCEPT)
+ return(SSL_ERROR_WANT_ACCEPT);
else
return(SSL_ERROR_SYSCALL);
}
return(NULL);
}
-char *SSL_get_version(SSL *s)
+const char *SSL_get_version(SSL *s)
{
if (s->version == TLS1_VERSION)
return("TLSv1");
if (s->cert != NULL)
{
+ if (ret->cert != NULL)
+ {
+ ssl_cert_free(ret->cert);
+ }
ret->cert = ssl_cert_dup(s->cert);
if (ret->cert == NULL)
goto err;
if (s->enc_read_ctx != NULL)
{
EVP_CIPHER_CTX_cleanup(s->enc_read_ctx);
- Free(s->enc_read_ctx);
+ OPENSSL_free(s->enc_read_ctx);
s->enc_read_ctx=NULL;
}
if (s->enc_write_ctx != NULL)
{
EVP_CIPHER_CTX_cleanup(s->enc_write_ctx);
- Free(s->enc_write_ctx);
+ OPENSSL_free(s->enc_write_ctx);
s->enc_write_ctx=NULL;
}
if (s->expand != NULL)
void ssl_free_wbio_buffer(SSL *s)
{
- BIO *under;
-
if (s->bbio == NULL) return;
if (s->bbio == s->wbio)
{
/* remove buffering */
- under=BIO_pop(s->wbio);
- if (under != NULL)
- s->wbio=under;
- else
- abort(); /* ok */
- }
+ s->wbio=BIO_pop(s->wbio);
+#ifdef REF_CHECK /* not the usual REF_CHECK, but this avoids adding one more preprocessor symbol */
+ assert(s->wbio != NULL);
+#endif
+ }
BIO_free(s->bbio);
s->bbio=NULL;
}
return(ssl->ctx);
}
-#ifndef NO_STDIO
+#ifndef OPENSSL_NO_STDIO
int SSL_CTX_set_default_verify_paths(SSL_CTX *ctx)
{
return(X509_STORE_set_default_paths(ctx->cert_store));
return(ssl->verify_result);
}
-int SSL_get_ex_new_index(long argl,char *argp,int (*new_func)(),
- int (*dup_func)(),void (*free_func)())
+int SSL_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
{
ssl_meth_num++;
return(CRYPTO_get_ex_new_index(ssl_meth_num-1,
return(CRYPTO_get_ex_data(&s->ex_data,idx));
}
-int SSL_CTX_get_ex_new_index(long argl,char *argp,int (*new_func)(),
- int (*dup_func)(),void (*free_func)())
+int SSL_CTX_get_ex_new_index(long argl,void *argp,CRYPTO_EX_new *new_func,
+ CRYPTO_EX_dup *dup_func,CRYPTO_EX_free *free_func)
{
ssl_ctx_meth_num++;
return(CRYPTO_get_ex_new_index(ssl_ctx_meth_num-1,
* \param cb the callback
*/
-#ifndef NO_RSA
+#ifndef OPENSSL_NO_RSA
void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,
int is_export,
int keylength))
- { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
-#endif
+ {
+ SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
+ }
-#ifndef NO_RSA
-void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int is_export,
- int keylength))
- { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
+void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,
+ int is_export,
+ int keylength))
+ {
+ SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,(void (*)())cb);
+ }
#endif
#ifdef DOXYGEN
* \param dh the callback
*/
-#ifndef NO_DH
+#ifndef OPENSSL_NO_DH
void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int is_export,
int keylength))
- { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
+ {
+ SSL_CTX_callback_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
+ }
void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int is_export,
- int keylength))
- { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
+ int keylength))
+ {
+ SSL_callback_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,(void (*)())dh);
+ }
#endif
-#if defined(_WINDLL) && defined(WIN16)
+#if defined(_WINDLL) && defined(OPENSSL_SYS_WIN16)
#include "../crypto/bio/bss_file.c"
#endif
projects / openssl.git / blobdiff